assume cs:code ss:stack
stack segment
	db 16 dup (0) 
stack ends

code segment
start:
	mov bx,stack
	mov ss,bx
	mov sp,16
	mov ax,0
	push ax
	popf
	mov ax,0fff0h
	add ax,0010h
	pushf
	pop ax
	and al,11000101B
	and ah,00001000B
	
	mov ax,4c00h
	int 21h
code ends
end start